Results 21 to 30 of about 399,051 (306)
Anomalous localized resonance using a folded geometry in three dimensions [PDF]
, 2013 If a body of dielectric material is coated by a plasmonic structure of negative dielectric material with nonzero loss parameter, then cloaking by anomalous localized resonance (CALR) may occur as the loss parameter tends to zero.
Ammari, Habib +4 more
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Taiyuan Ligong Daxue xuebao, 2023 Purposes A deep understanding of the pore structure of cement paste is important for improving the performance of cement-based materials. Methods In this paper, terahertz time-domain spectroscopy (THz-TDS) system was used to test the terahertz time ...
Wentao ZHANG +4 more
doaj +1 more source
Dielectric Characterization of Chinese Standard Concrete for Compressive Strength Evaluation
Applied Sciences, 2017 Dielectric characterization of concrete is essential for the wireless structural health monitoring (SHM) of concrete structures. Guo Biao (GB) concrete refers to the concrete mixed and cast in accordance with the Chinese standard. Currently, China is the
Kwok L. Chung +5 more
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Chitosan – Graphite – Maghemite – a Flexible, Superparamagnetic Nanocomposite Comprising of Microcapacitors [PDF]
Progress in Physics of Applied Materials, 2023 In this work, an eco-friendly “green” nanocomposite of chitosan containing graphite and maghemite (g-Fe2O3) nanoparticles were prepared by solution casting method.
Saravanan Annamalai +1 more
doaj +1 more source
Super Dielectric Materials [PDF]
, 2014 Evidence is provided that a class of materials with dielectric constants greater than 100,000, herein called super dielectric materials (SDM), can be generated readily from common, inexpensive materials.Comment: The first material ever with an intrinsic ...
Fromille, Sam, Phillips, Jonathan
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Study on soil dielectric constant models: A review
Guan'gai paishui xuebao【Objective】 Soil dielectric constant measures the ability of a soil to transmit electric fields. It is the ratio of the capacitance of a soil sample to the capacitance of air-filled space of the same volume.
XU Xingqian +4 more
doaj +1 more source
Law of relative dielectric constant of coal under different stresses and gas pressures
矿业科学学报, 2018 In order to study the law of the relative dielectric constant of coal containing gas, the relative dielectric constant of coal containing gas under different stress and gas pressure is studied by using self-made electrical parameter test system, and the ...
Li Xiangchun +4 more
doaj +1 more source
, 2000 We use a near-field scanning microwave microscope to simultaneously image the dielectric constant, loss tangent, and topography in a PbTiO_3 crystal. By this method, we study the effects of the local dielectric constant and loss tangent in the geometry ...
Cho Y. +4 more
core +1 more source
High-K dielectric sulfur-selenium alloys. [PDF]
, 2019 Upcoming advancements in flexible technology require mechanically compliant dielectric materials. Current dielectrics have either high dielectric constant, K (e.g., metal oxides) or good flexibility (e.g., polymers).
Ajayan, Pulickel M +20 more
core +2 more sources
High Dielectric Design of Polymer Composites by Using Artificial Neural Network
Applied Sciences, 2022 Polymer-based composites with a high dielectric property have shown great potential in electrical energy storage applications. It is important to predict the dielectric constant in designing polymer composites, but it is costly and time consuming.
Sungyub Ji +3 more
doaj +1 more source